EM-2447

Direct proportion

E Math · Secondary 4 · Hard · Direct proportion

1. $9\,\text{cm}^2$
2. $7.2\,\text{cm}^2$
3. $11.25\,\text{cm}^2$
4. $3.6\,\text{cm}^2$

Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.